[PATCH v3 net-next] net: ethernet: ti: cpsw: Fix inconsistent IS_ERR and PTR_ERR in cpsw_probe()

[YueHaibing]

Fix inconsistent IS_ERR and PTR_ERR in cpsw_probe,
The proper pointer to use is clk instead of mode.

This issue was detected with the help of Coccinelle.

Fixes: 83a8471ba255 ("net: ethernet: ti: cpsw: refactor probe to group common 
hw initialization")
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
---
v3: Fix commit log
v2: add Fixes tag
---
 drivers/net/ethernet/ti/cpsw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index c3cba46fac9d..e37680654a13 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2381,7 +2381,7 @@ static int cpsw_probe(struct platform_device *pdev)
 
        clk = devm_clk_get(dev, "fck");
        if (IS_ERR(clk)) {
-               ret = PTR_ERR(mode);
+               ret = PTR_ERR(clk);
                dev_err(dev, "fck is not found %d\n", ret);
                return ret;
        }